Rotor blade internal damper

Details Rotor blade internal damper Rotor blade internal damper

1979-05-16

1982-05-11

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Formed with main spar

416500, B64C 2746

Patent

active

043291198

ABSTRACT:
A load absorbing elastic member or members is incorporated in the design of a rotor blade to assist in reducing flapwise and chordwise bending moments, torsional loading, and to reduce or eliminate the control system loads induced by rotor blade moment stall. In all its embodiments, the load absorbing elastic member has operatively associated therewith a constraining member which serves as a strain amplifier permitting the load absorbing elastic member to achieve its purpose effectively.

REFERENCES:
patent: 2955662 (1960-10-01), Bonnett et al.
patent: 3028292 (1962-04-01), Hinds
patent: 3103977 (1963-09-01), Negroni
patent: 3402772 (1968-09-01), Sobanik
patent: 3484174 (1969-12-01), McCoubrey
patent: 3967996 (1976-07-01), Kamov et al.
patent: 3999888 (1976-12-01), Zincone
patent: 4095322 (1978-06-01), Scarpati et al.
patent: 4150920 (1979-04-01), Belko et al.
patent: 4188171 (1980-02-01), Baskin

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